The siblings refer to their father dying from a "heart attack" and also "heart failure." These terms do not have the same medical meaning but are used as if they are synonymous.
The volume of ashes Luther poured out of the urn is in no way near enough for the body of an adult.
When Diego pulls out of the driveway, with Klaus in the backseat, his tires squeal despite the driveway being gravel.
From 03:56 -an actor can't be bothered to learn a few simple moves in order to "sell" the idea that they're actually playing an instrument.
It's never explained how the Academy members see through their opaque masks.
From 02:20 -a baby born without an umbilical cord would be a dead baby.
At 02:51 -Reginald Hargreeves is a slave owner since he buys children.
When Vanya is playing the violin, her fingers are not on the right strings for the notes being played.
From 03:59 -Hollywood cliché #047: actors cannot learn a few simple motions in order sell they are actually playing a musical instrument.